<template>
    <div class="Login_container">
      <div class="login_box">
<!--头像区域-->
        <div class="avatar_box">
          <img src="../assets/logo.png" alt="">
        </div>
<!--登陆表单区域-->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login-form">
<!--用户名-->
          <el-form-item prop="username">
            <el-input  v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
          </el-form-item>
<!--          密码-->
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
          </el-form-item>
          <el-form-item class="btns">
<!--            <el-input></el-input>-->
            <el-button type="primary" @click="Login">登录</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
</template>

<script>
  export default {
    name: 'Login',
    data(){
      return{
        // 登录表单的数据绑定对象
        loginForm:{
          username:'admin',
          password:'123456'
        },
        // 表单的验证规则对象
        loginFormRules:{
          //验证用户名是否合法
          username:[{ required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
          //验证密码是否合法
          password:[{ required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }]

        }
      }
    },
    methods:{
      //点击重置按钮，重置表单
      resetLoginForm(){
        // console.log(this)
        this.$refs.loginFormRef.resetFields();
      },
      Login(){
        this.$refs.loginFormRef.validate(async valid=>{
          // console.log(valid)
          if(!valid) return;
          const {data:res}=await this.$http.post("login",this.loginForm);
          if(res.meta.status!==200) return this.$message.error('登录失败');
          this.$message.success('登录成功')

          // console.log(res);
          // 1.将登录成功以后的token，保存在客户端sessionStorage中
          // 1.1项目中出现了登录以外的API接口，必须在登录之后才能访问
          // 1.2token只应在网站打开期间生效，所以将token保存在sessionStorage中
          window.sessionStorage.setItem("token",res.data.token);
          // 通过编程式导航跳转到后台主页，
          this.$router.push("/home")
        })

      }
    }

  }
</script>

<!--<style&lt;!&ndash;scoped&ndash;&gt;>-->
<style scoped>
  .Login_container{
    background-color: #2b4b6b;
    height: 100%;
  }
  .login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
  }
    .avatar_box{
      height:130px;
      width: 130px;
      border: 1px solid #eee;
      padding: 10px;
      position: absolute;
      left:50%;
      transform: translate(-50%,-50%);
      border_radius:50%;
    }


          img{
            width: 100%;
            height:100%;
            border_radius:50%;
            background-color: #eeeeee;
          }

  .btns{
    display: flex;
    justify-content: flex-end;
  }
  .login-form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
</style>
